The Dobson and its Family 



goggle goy, bogart, crock, hell devils, flip-flaps, alligators, Ho 

 Jack, snake-doctor, dragon and hell-diver. 



It will be very easy to infer from these names alone that the 

 insect is a very extraordinary one and somewhat terrifying in 

 its appearance. 



Fig. 117. Corydalis cornuta. (After Riley.) 



The adult is a large creature, having a wing spread of more 

 than four inches, and possessed, in the female, of powerful biting 

 jaws, with which it can give a severe pinch to the skin of the per- 

 son who handles it carelessly. With the male there is a curious 

 modification of the jaws. They are extended into long, curved, 

 piercing organs, which cross when at rest, and which are fully 

 an inch in length. These jaws make the male look particularly 



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